The Romainian trainers are a very simple, utiltarian rifle. They can be finicky though about ejection. The firing pin doubles as the ejector. If you are having troubles with ejection, remove the bolt from the rifle, clean with a light solvent. On the side of the bolt opposite the handle is the firing pin. Be sure that it moves freely. Do not use any heavy oils or grease type lubricants. They do have a tendancy to collect gunk from firing. Just clean periodically and don't over lubricate.